package cn.itcast.bos.action.base;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Join;
import javax.persistence.criteria.JoinType;
import javax.persistence.criteria.Predicate;
import javax.persistence.criteria.Root;

import org.apache.commons.lang.StringUtils;
import org.apache.struts2.convention.annotation.Action;
import org.apache.struts2.convention.annotation.Actions;
import org.apache.struts2.convention.annotation.Namespace;
import org.apache.struts2.convention.annotation.ParentPackage;
import org.apache.struts2.convention.annotation.Result;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Scope;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Pageable;
import org.springframework.data.jpa.domain.Specification;
import org.springframework.stereotype.Controller;

import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;
import com.opensymphony.xwork2.ModelDriven;

import cn.itcast.bos.domain.base.Courier;
import cn.itcast.bos.service.base.CourierService;

@ParentPackage("json-default")
@Namespace("/")
@Actions
@Controller
@Scope("prototype")
public class CourierAction extends ActionSupport implements ModelDriven<Courier> {
	// 模型驱动
	private Courier courier = new Courier();
	@Autowired
	private CourierService courierService;

	@Override
	public Courier getModel() {
		return courier;
	}

	@Action(value = "courier_save", results = {
			@Result(name = "success", type = "redirect", location = "/pages/base/courier.html") })
	public String save() {
		courierService.save(courier);
		return SUCCESS;
	}

	private int page;
	private int rows;

	public void setPage(int page) {
		this.page = page;
	}

	public void setRows(int rows) {
		this.rows = rows;
	}

	@Action(value = "courier_pageQuery", results = { @Result(name = "success", type = "json") })
	public String pageQuery() {
		Pageable pageable = new PageRequest(page - 1, rows);
		Specification<Courier> specification = new Specification<Courier>() {

			@Override
			public Predicate toPredicate(Root<Courier> root, CriteriaQuery<?> query, CriteriaBuilder cb) {
				List<Predicate> list = new ArrayList<Predicate>();
				if (StringUtils.isNotBlank(courier.getCourierNum())) {
					Predicate p1 = cb.like(root.get("courierNum").as(String.class), "%"+courier.getCourierNum()+"%");
					list.add(p1);                     
				}
				if (StringUtils.isNotBlank(courier.getCompany())) {
					Predicate p2 = cb.like(root.get("company").as(String.class), "%" + courier.getCompany() + "%");
					list.add(p2);
				}
				if (StringUtils.isNotBlank(courier.getType())) {
					Predicate p3 = cb.like(root.get("type").as(String.class),"%"+ courier.getType()+"%");
					list.add(p3);
				}
				Join<Object, Object> standardRoot = root.join("standard", JoinType.INNER);
				if (courier.getStandard() != null && StringUtils.isNotBlank(courier.getStandard().getName())) {
					Predicate p4 = cb.equal(standardRoot.get("name"), courier.getStandard().getName());
					list.add(p4);
				}

				return cb.and(list.toArray(new Predicate[0]));
			}
		};

		Page<Courier> pageData = courierService.findPageData(specification, pageable);
		Map<String, Object> map = new HashMap<String, Object>();
		map.put("total", pageData.getTotalElements());
		map.put("rows", pageData.getContent());
		ActionContext.getContext().getValueStack().push(map);

		return SUCCESS;
	}
	
	private String ids;
	
	
	public void setIds(String ids) {
		this.ids = ids;
	}

	@Action(value="courier_delBatch",results={@Result(name="success",type="redirect",location="/pages/base/courier.html")})
	public String delBatch(){
		String[] idarr = ids.split(",");
		courierService.delBatch(idarr);
		System.out.println("作废成功");
		return SUCCESS;
	}
	@Action(value="courier_undelBatch",results={@Result(name="success",type="redirect",location="/pages/base/courier.html")})
	public String undelBatch(){
		String[] idarr = ids.split(",");
		courierService.undelBatch(idarr);
		System.out.println("恢复成功");
		return SUCCESS;
	}

	// 查询所有未关联的快递员
		@Action(value="courier_findNoAssCouriers",results={@Result(name="success",type="json")})
		public String findNoAssCouriers(){
			System.out.println("方法执行!");
			List<Courier> noAssCouriers = courierService.findNoAssCouriers();
			ActionContext.getContext().getValueStack().push(noAssCouriers);
			return SUCCESS;
		}

}
